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final

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  1. Marcus Vaughan

    High r1, rn, r2 etc on ring final.

    Hi All. I had a job which was going to be a 'quicky' fault finding and repairing a couple of sockets, then it came to the testing..... The consumer unit gave me no cause for alarm but was all labelled up wrong, so it turned out there were far more sockets and square meterage on this ring final...
  2. Amateur

    Ring Final Cable Routing Through Bungalow Loft

    Hi all. I know there is a DIY forum but im really after your expert knowledge rather than fellow DIY'ers/amateurs. With regards to replacing a section of a bedroom ring final circuit in a bungalow loft what is your preferred method of cable routing taking into account insulation and not being...
  3. J

    EICR code Split cpc on ring final circuit

    lost continuity on cpc of ring circuit, live and neutral fine all test fine. C2,C3,FI ?
  4. M

    Faulty MCB. Problem isolating ring final circuit at CU with MCB

    I am planning to move a socket outlet. The CU is largely unlabelled so don't know which 32 MCB to switch off. There are 2 x 32a MCB. All other mcbs are for lights (6a) and a dedicated immersion (16a). To isolate the circuit, I tried switching off the first of the two 32a mcb which isolated some...
  5. Cadgey123

    Scrap the Ring final circuit

    After coming across countless faults in domestic premises regarding ring final circuits, I reckon they should scrap em... Gets frustrating when you go to check continuity and there is nothing between each leg. Or you get a call to check a burning smell from the C.U and once again a broken ring...
  6. R

    Low IR ring final circuit

    Testing a ring final circuit today. R1+R2 is fine, same as end to end r1 rn and r2. However IR test is coming back 1.87M ohm. I split the circuit and located a section (one side of the ring is clear >999). The customer doesn't want any walls or ceiling touched. As this is greater than 1M ohm...
  7. M

    Odd Fault on Ring Final

    Hi, Went to look at a job today where the customer reported the RCD intermittently tripping. I did an RCD Trip test and it failed to trip on x1, x5 or ramp test, the mechanical button tripped it. After a bit of further testing I discovered that the Kitchen RFC had an IR reading of 0.00 meg...
  8. haptism

    Ring final install method query

    Hope someone can help. When finding the cabling current capacity for a ring (wired in 2.5), would you use the data for 4mm in either/or table D5 of BYB or table 7.1 (11) in the OSG ? As the ring circuit is in effect 5mm ! Looking at the OSG ref methods; a 2.5 with ref method 101 says 17A...
  9. Soulsurfer

    Ring final & Radial circuits off one mcb ?

    Another straight forward job today has turned out to be a right mess once again so I thought I'd get some thoughts on the following before I start ! So an old MK LN59 board, feed to garage sockets on a single 2.5mm t&e from a 15A mcb and also spurred to feed a boiler on S plan, Next ring final...
  10. CDB

    Starting point for discontinuous earth fault on final ring.

    Hi all, I have a 32A Final Ring Circuit that I have swapped a single socket to a FSU for an outside light. I'm now testing it and finding it has a discontinuous earth - I'm also kicking myself for not checking from the off but we learn. Anyway from the attached image you should be able to see...
  11. S

    Ring Final Circuit wired in 4 core SWA

    Hi Gents, Have an existing circuit at a warehouse where a single 4mm 4core SWA has been used as a Ring Final Circuit. Two cores are in connectors in the back of the socket outlets thus creating a ring. The SWA is therefore the sole means of earthing. There are No banjo's at the sockets and the...
  12. M

    PV Final Design and Permit Packet Option?

    Hello Everyone, I currently work for a startup solar company as a proposal generator. As of now, I create the proposals using Aurora and then outsource to a partner for fulfillment - site survey, final design, etc. I'm looking into keeping the final design internal, but not sure what options...
  13. stummish

    Final circuit & DNO cable in same trench

    Hi all bright sparks, I've had a question from a client I couldn't answer on the spot. I've done some google research but can't find an answer to this; Is there any reason the DNO cable and a final circuit be installed in the same trench? DNO cable will be in a duct, client wants the SWA...
  14. 247 handyman

    How to check if a fuse feeds a ring final or 2 radial circuit

    Hi guys. I need to check if I have a ring or 2 radial running from a fuse. I have an old wylex fuse box in which someone has put a blue 15amp fuse in a red 30amp carrier. If I disconnect the 2 cables and check for continuity of the 2 lines then the 2 neutrals will this tell me if I have a ring...
  15. jaydub

    I Need Work Final year electrician (Mate) looking for work Diss/BSE area

    In the final 3ish months of my C&G 2357/2365 and looking for work in the Diss, Bury St Edmunds area. Very experienced despite only being a '3rd' year. Have own van and tools. Contact me if you have anything! Cheers
  16. D

    How does ring final circuit work

    Hello all I used to believe that the power of circuit is running from live to neutral,then go back to the distributor.But when I see ring final circuit,I get confused...I know the power goes from both side of live cable,then it goes back to the circuit breaker? Sorry about my poor...
  17. G

    Spur from Ring Final Circuit

    My last thread was taken down due to copyright reasons, I think it was because I scanned a page from the wiring regs and posted it. Can anyone tell me if this circuit design conforms to regs?
  18. Lee Gold

    Question regarding ring final circuit

    Started a level 1, completed practical assessment, was given test paper and tutor told me to answer these questions, bearing in mind I haven't had any theory practice or anything given to me on this information before hand. 1. Give TWO health and safety regulations related to assembling a 13amp...
  19. incursio

    Hi Folks

    I'm a final year electrical apprentice, I've been actively working in the industry for a couple of years now, I'm was brushing up on my electrical knowledge, when I came across this site.
  20. S

    Ring Final Tests

    testing a ring final today end to end test L 0.24 N 0.24 CPC 0.37 figure of 8 L1 -CPC 2 L2 - CPC 1 0.25 L1 - N 2 L2 - N 1 no reading IR >999 cant figure out why open circuit on figure of 8 any answers?

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